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mmWave communication has come up as the unexplored spectrum for 5G services. With new standards for 5G NR positioning, more off-the-shelf platforms and algorithms are needed to perform indoor positioning. An object can be accurately…

Signal Processing · Electrical Eng. & Systems 2024-03-15 Neharika Valecha , Jesus Omar Lacruz , Michael Lentmaier , Joerg Widmer , Fredrik Tufvesson

Millimeter-wave (mmWave) multiple-input multiple-output (MIMO) system for the fifth generation (5G) cellular communications can also enable single-anchor positioning and object tracking due to its large bandwidth and inherently high angular…

Signal Processing · Electrical Eng. & Systems 2019-10-02 Jiguang He , Henk Wymeersch , Long Kong , Olli Silvén , Markku Juntti

The paper describes an NLOS (Non-Line-of-Sight) mitigation method intended for use in a UWB positioning system. In the proposed method propagation conditions between the localized objects and the anchors forming system infrastructure are…

Signal Processing · Electrical Eng. & Systems 2024-04-01 Marcin Kolakowski , Jozef Modelski

One of the main challenges in IoT is providing communication support to an increasing number of connected devices. In recent years, narrowband radio technology has emerged to address this situation: Narrowband Internet of Things (NB-IoT),…

Networking and Internet Architecture · Computer Science 2019-12-25 Emmanuel Luján , Juan A. Zuloaga Mellino , Alejandro D. Otero , Leonardo Rey Vega , Cecilia G. Galarza , Esteban E. Mocskos

Unmanned Aerial Vehicles (UAVs) are suited as cost-effective and adaptable platforms for carrying Wi-Fi Access Points (APs) and cellular Base Stations (BSs). Implementing aerial networks in disaster management scenarios and crowded areas…

Networking and Internet Architecture · Computer Science 2024-12-16 Kamran Shafafi , Manuel Ricardo , Rui Campos

The ability of a sensor node to determine its location in a sensor network is important in many applications. The infrastructure for the location-based services is an easy target for malicious attacks. We address scenarios where malicious…

Cryptography and Security · Computer Science 2019-12-16 Bodhibrata Mukhopadhyay , Seshan Srirangarajan , Subrat Kar

We consider the problem of energy-efficient network management in 5G systems, where backhaul and fronthaul nodes have both networking and computational capabilities. We devise an optimization model accounting for the main features of 5G…

Networking and Internet Architecture · Computer Science 2018-04-17 Francesco Malandrino , Carla-Fabiana Chiasserini , Claudio E. Casetti , Giada Landi

Accurate localization of non-cooperative signal sources in non-line-of-sight (NLoS) environments remains a critical challenge with a wide range of applications, including autonomous navigation, industrial automation, and emergency response.…

Systems and Control · Electrical Eng. & Systems 2025-09-05 Xiucheng Wang , Qiming Zhang , Nan Cheng

In this paper, a sensing-assisted non-line-of-sight (NLoS) identification method for dynamic uncrewed aerial vehicle (UAV) positioning is proposed for the first time. For urban UAV-to-ground scenarios, a new multi-modal…

Signal Processing · Electrical Eng. & Systems 2026-05-14 Huijuan Qiao , Lu Bai , Mingran Sun , Mengyuan Lu , Jiajing Chen , Xiang Cheng

The integration of high-precision cellular localization and machine learning (ML) is considered a cornerstone technique in future cellular navigation systems, offering unparalleled accuracy and functionality. This study focuses on…

Signal Processing · Electrical Eng. & Systems 2024-05-17 Guoda Tian , Dino Pjanić , Xuesong Cai , Bo Bernhardsson , Fredrik Tufvesson

Multi-static backscatter networks (BNs) are strong candidates for joint communication and localization in the ambient IoT paradigm for 6G. Enabling real-time localization in large-scale multi-static deployments with thousands of devices…

Signal Processing · Electrical Eng. & Systems 2026-02-17 Tara Esmaeilbeig , Kartik Patel , Traian E. Abrudan , John Kimionis , Eleftherios Kampianakis , Michael S. Eggleston

The fifth-generation (5G) networks are expected to be able to satisfy users' different quality-of-service (QoS) requirements. Network slicing is a promising technology for 5G networks to provide services tailored for users' specific QoS…

Information Theory · Computer Science 2017-04-25 H. Zhang , N. Liu , X. Chu , K. Long , A. Aghvami , V. C. M. Leung

Robust localization in dense urban scenarios using a low-cost sensor setup and sparse HD maps is highly relevant for the current advances in autonomous driving, but remains a challenging topic in research. We present a novel monocular…

Robotics · Computer Science 2021-10-22 Kürsat Petek , Kshitij Sirohi , Daniel Büscher , Wolfram Burgard

Unmanned aerial vehicles (UAVs), as aerial base stations, are a promising solution for providing wireless communications, thanks to their high flexibility and autonomy. Moreover, emerging services, such as extended reality, require…

Information Theory · Computer Science 2021-04-28 Javad Sabzehali , Vijay K. Shah , Harpreet S. Dhillon , Jeffrey H. Reed

This paper investigates downlink transmission in 5G Integrated Satellite-Terrestrial Networks (ISTNs) supporting automotive users (UEs) in urban environments, where base stations (BSs) and Low Earth Orbit (LEO) satellites (LSats) cooperate…

Signal Processing · Electrical Eng. & Systems 2026-03-16 Hung Nguyen-Kha , Vu Nguyen Ha , Eva Lagunas , Symeon Chatzinotas , Joel Grotz

Estimating position and orientation change of a mobile platform from two consecutive point clouds provided by a high-resolution sensor is a key problem in autonomous navigation. In particular, scan matching algorithms aim to find the…

Signal Processing · Electrical Eng. & Systems 2021-06-09 Rico Mendrzik , Florian Meyer

Advancements in 6G wireless technology have elevated the importance of beamforming, especially for attaining ultra-high data rates via millimeter-wave (mmWave) frequency deployment. Although promising, mmWave bands require substantial beam…

Networking and Internet Architecture · Computer Science 2024-07-31 Avi Deb Raha , Kitae Kim , Apurba Adhikary , Mrityunjoy Gain , Zhu Han , Choong Seon Hong

The fifth generation (5G) mobile networks with enhanced connectivity and positioning capabilities play an increasingly important role in the development of automated vehicle-to-everything (V2X) and other advanced industrial Internet of…

Signal Processing · Electrical Eng. & Systems 2021-06-04 Yi Lu , Mike Koivisto , Jukka Talvitie , Elizaveta Rastorgueva-Foi , Toni Levanen , Elena Simona Lohan , Mikko Valkama

It is anticipated that much higher network capacity will be achieved by the fifth generation (5G) small cell networks incorporated with the millimeter wave (mmWave) technology. However, mmWave signals are more sensitive to blockages than…

Networking and Internet Architecture · Computer Science 2018-12-06 Jiaqi Chen , Xiaohu Ge , Qiang Ni

Cooperative communication using unmanned aerial vehicles (UAVs) is a promising technology for infrastructureless wireless networks. One of the key challenges in UAV based communications is the backhaul throughput. In this paper, we propose…

Signal Processing · Electrical Eng. & Systems 2018-11-07 Samer Hanna , Han Yan , Danijela Cabric